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Home arrow Manual Transmissions arrow Manual RWD Transmissions arrow Manual Transmission Dodge 5 speed to 6 speed conversion




  

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Manual Trans. Dodge 5 to 6 speed conversion Print E-mail

Upgrade your Dodge NV4500 to NV5600 Conversion Kits

nv5600kit_large.jpg

Dodge 3500 series pickup trucks between 1994 and later models with NV4500 5 speed transmissions are candidates  for our new conversion package. At last a real heavy duty transmission to work with your Cummins engine. Our kit offers heavy duty performance with improved ratios plus an additional 6th gear.

If your 5 speed transmission is showing signs of not being capable of keeping up with your Cummins engine and/or you need the additional gear to provide extra performance, this New Venture upgrade unit is for you. This 6 speed unit is available for 2WD and 4WD applications, we can also a clutch and flywheel, the new clutch has an 1 3/8" dia. input shaft, the remanufactured 6 speed, kit includes a new bell housing. These remanufactured units have a 12 month 12,000 miles warranty in standard horsepower trucks!

These heavy duty transmission are finding their way into various applications, below we have listed some of the most popular applications and conversion kits we offer:

Dodge 1998 - 2000 4wd NV4500 to NV5600 Conversion Kits   NV5600 holds
9.5 pints of Chrysler part number 04874464 synthetic OE with special additive for syncro rings (don't use anything else).
Dodge 1994 - 1997 4wd NV4500 to NV5600 Conversion Kits  
Dodge 1998 - 2000 2wd NV4500 to NV5600 Conversion Kits  
Dodge Cummins early Getrag 360 to NV5600 Conversion Kits  

4wd Kit Photo

Kit Photo w/Clutch

Select to enlarge

NV 5600's for conversions are no longer available so we have put together possibly a better solution:

supernv4500_large.jpg
20% increase in fuel economy!

 

Part Number

Application

Kit Price

Core Charge

Kit includes the following items:

NV5600-4WD 1998-2000

4 W.D.

$ 3475.45 plus freight

$1000.00 (refundable) If your are retuning an NV4500 you will receive $500.00 back for your core.

  • Transmission
  • Transmission to cross-member adapter plate
  • Reverse switch harness
  • Shift Stick, Shift Knob & Insert
As a spare part from your local dodge dealers parts department, the 1999 1/2 and 2000 0/2 version of the transmission, part #52108402 (transmission only), costs about $6,000 and the 2000 1/2 version, part #52108502AA, will be slightly higher at about $6,300.

Part Number

Application

Kit Price

Core Charge

Kit includes the following items:

NV5600-4WD 1994-1997

4 W.D.

$ 3475.45 plus freight

$1000.00 (refundable) If your are retuning an NV4500 you will receive $500.00 back for your core.

  • Transmission
  • Transmission to cross-member adapter plate
  • Transfer case mounting kit including linkage bracket
  • Reverse switch harness
  • Shift Stick, Shift Knob & Insert

Part Number

Application

Kit Price

Core Charge

Kit includes the following items:

NV5600-2WD 1998-2000

2 W.D.

$ 3475.45 plus freight

$1000.00 (refundable) If your are retuning an NV4500 you will receive $500.00 back for your core.

  • Transmission
  • Transmission to cross-member adapter plate
  • Reverse switch harness
  • Shift Stick, Shift Knob & Insert
Our conversion in your Dodge Cummins pick-up trucks requiresthat the Ram be equipped with a 11" crossmember, part number CK5600-11. If youneed to purchase the crossmember and are purchasing our conversion kit your cost is $265.47. Kit weight with cross member 433 pounds compared to NV4500 @ about 195 pounds.

We offer three different clutch assemblies for this conversionpackage see the following table, prices listed below apply to clutch kits purchased at the same time as the transmission conversion kits.

DODGE DIESEL CLUTCH NV5600 TRANSMISSION

YEAR/MODEL DESCRIPTION

PART NUMBER

PRICE

DODGE Cummins Rated 215 HP to 350 HP, 1 3/8" diameter input shaft, 10 spline. Higher plate load than OE. Our heavy, hub design floating center disc extends drivetrain life, but delivers more power using a dual friction organic/feramic drive disc with marcelled fins, This kit includes disc, pressure plate, kevlar pilot bearing,, matched drilled 13" flywheel and throw-out bearing.

SBMU13.1.375 Con-O

$1098.68

mu13_1.375con_0_largw.jpg Lining available to 500 hp and 900 foot pounds of torque.

We offer a complete line of  high performance heavy duty clutchs and flywheels for diesel pickups 

 

The following table compares transmission gear ratio's between NV5600 &NV4500:

Ratio Data

NV-4500

NV-5600

  • First Gear
  • Second Gear
  • Third Gear
  • Fourth Gear
  • Fifth Gear
  • Sixth Gear
  • 5.61
  • 3.04
  • 1.67
  • 1.00
  • 0.74
  • N/A
  • 5.63
  • 3.38
  • 2.04
  • 1.39
  • 1.00
  • 0.73

The following information is provide to assist you with the installation.

Dodge 1998 - 2000 4wd NV4500 to NV5600 Conversion Information

Dodge 1994 - 1997 4wd NV4500 to NV5600 Conversion Information

Dodge 1998 - 2000 2wd NV4500 to NV5600 Conversion Information

Information Dodge 1998 - 2000 4wd NV4500 to NV5600 Conversion

Installation Tips: You will need to order conversion kit NV5600-4WD 1998-2000 and at least the 05-073SPFT-1 Clutch Kit Assembly.

A wide cross-member must be used in all NV5600 conversion applications. The vehicles must be visually inspected for the 11" wide cross-member. If your vehicle is not equipped with the wide cross-member, please be certain your vehicle falls within the 1998 and later category. The wide cross-member is available order part number CK5600-11.

The standard rear mounts currently in your vehicle is the proper mounts for this conversion. The mount is Dodge part number 52019641 and 5202051AA.

The reverse switch wiring must be lengthened approximately 30 inches, the necessary extension is provided in our kit.

The shift linkage to the transfer case must be lengthened. The correct linkage is included in our kit.

No speedometer modifications are necessary as the 1998 and later Dodge 4wd vehicles use a differential speedometer, and converting to our NV5600 six-speed transmission will not affect the current speedometer readings.

Conversion to the NV5600 requires a new shift stick, shift knob and shift pattern insert these are included in our kit.

Our kit includes the proper transmission mounting plate to cross member support bracket, this "no hassle" custom plate places your current drive line at the proper angle and requires no drive line adjustments. Drive line length modifications are required on the 4wd NV5600 conversions. The rear shaft must be shortened about 5 1/2", and the front shaft must be lengthened about 5 1/2". A measurement must be made for each vehicle after the transmission/transfer case are mounted in final location, as each vehicle may vary due to wheel base lengths. We can assist you with shortening, lengthening and high speed balancing your drive line, you purchase our kit and for $100.00 per drive line's plus return shipping we will inspect and perform shortening and high speed balancing for you, we will turn your shafts around with in one day of receipt.

We recommend that you use only synthetic oil, GLS5 Rated 10W30 5 quarts. Make sure that unit is full, double check.

To mount your new NV5600 transmission you will need to purchase a new clutch assembly kit allowing you to use your existing flywheel and clutch activation hardware. Our high performance clutches take about the same amount of pressure as the stock units to activate. Be sure to resurface the flywheel any time you install a new clutch.

The conversion with the installation of the new clutch assembly should take 8 hours for a skilled mechanic.



Information Dodge 1994 - 1997 4wd NV4500 to NV5600 Conversion

Installation Tips: You will need to order conversion kit NV5600-4WD 1994-1997 and at least 05-073SPFT-1 Clutch Kit Assembly.

A wide cross-member must be used in all NV5600 conversion applications. The vehicles must be visually inspected for the 11" wide cross-member. If your vehicle is not equipped with the wide cross-member, please be certain your vehicle falls within the 1994 to 1997 category. The wide cross-member is available order part number CK5600-11.

The standard rear mounts currently in your vehicle is the proper mounts for this conversion. The mount is Dodge part number 52019641 and 5202051AA should you need to replace worn mounts.

The reverse switch wiring must be lengthened approximately 30 inches, the necessary extension is provided in our kit.

The shift linkage to the transfer case must be lengthened. The correct linkage is included in our kit.

No speedometer modifications are necessary as vehicles use a differential speedometer, and converting to our NV5600 six-speed transmission will not affect the current speedometer readings.

Conversion to the NV5600 requires a new shift stick, shift knob and shift pattern insert these are included in our kit.

Our kit includes the proper transmission mounting plate to cross member support bracket, this "no hassle" custom plate places your current drive line at the proper angle and requires no drive line adjustments. Drive line length modifications are required on the 4wd NV5600 conversions. The rear shaft must be shortened about 5 1/2", and the front shaft must be lengthened about 5 1/2". A measurement must be made for each vehicle after the transmission/transfer case are mounted in final location, as each vehicle may vary due to wheel base lengths. We can assist you with shortening, lengthening and high speed balancing your drive line, you purchase our kit and for $100.00 per drive line plus return shipping we will inspect and perform shortening and high speed balancing for you, we will turn your shafts around with in one day of receipt.

We recommend that you use only synthetic oil, GLS5 Rated 10W30 5 quarts. Make sure that unit is full, double check.

To mount your new NV5600 transmission you will need to purchase a new clutch assembly kit allowing you to use your existing flywheel and clutch activation hardware. Our high performance clutches take about the same amount of pressure as the stock units to activate. Be sure to resurface the flywheel any time you install a new clutch.

The conversion with the installation of the new clutch assembly should take 8 hours for a skilled mechanic.



Information Dodge 1998 - 2000 2wd NV4500 to NV5600 Conversion

Installation Tips: You will need to order conversion kit NV5600-2WD 1998-2000 and at least 05-073SPFT-1 Clutch Kit Assembly.

A wide cross-member must be used in all NV5600 conversion applications. The vehicles must be visually inspected for the 11" wide cross-member. If your vehicle is not equipped with the wide cross-member, please be certain your vehicle falls within the 1998 and later category. The wide cross-member is available order part number CK5600-11.

The standard rear mounts currently in your vehicle is the proper mounts for this conversion. The mount is Dodge part number 52019641 and 5202051AA.

The reverse switch wiring must be lengthened approximately 30 inches, the necessary extension is provide in our kit.

No drive line modifications are necessary for the 2wd conversion, and the current slip yoke is the proper one, the part number is 3-3-4391-X,

No speedometer modifications are necessary as the 1998 and later Dodge 2wd vehicles use a differential speedometer, and converting to our NV5600 six-speed transmission will not affect the current speedometer readings.

Conversion to the NV5600 requires a new shift stick, shift knob and shift pattern insert these are included in our kit.

Our kit includes the proper transmission mounting plate, to cross member support bracket, this "no hassle" custom plate places your current drive line at the proper angle and requires no driveline adjustments.

We recommend that you use only synthetic oil, GLS5 Rated 10W30 5 quarts. Make sure that unit is full, double check.

To mount your new NV5600 transmission you will need to purchase a new clutch assembly kit  allowing you to use your existing flywheel and clutch activation hardware. Our high performance clutches take about the same amount of pressure as the stock units to activate. Be sure to resurface the flywheel any time you install a new clutch.

The conversion with the installation of the new clutch assembly should take 7 hours or less for a skilled mechanic.

Information Early Dodge Getrag to NV5600 Conversion

Start with one of our NV5600 Kits and add the following list of parts available from you local Dodge parts house to complete your conversion:

  • Part Number 52087515 Clutch Lever
  • Part Number 4874537 Adapter Plate
  • Part Number 94 up Slave cylinder
  • Part Number 94 up Master Cylinder
  • Engine Plate Adapter

If you are doing the 4wd conversion you will have to need to fabricate a new bracket for the transfer case shifter.

New adapter components are available to adapt the NV5600 4wd transmission to the NP205 gear driven transfer case. This kit includes an adapter plate and shaft coupler output shaft NV5600 to input shaft of NP205, your cost $401.21, order kit part number MTCNV5600-205.




Installation information provide to the web by J. P. Callan who has installed the NV5600 in his 1998 12 Valve Ram.

Here's some info on the 6-speed transmission for the Dodge Rams. Some changes are on the wind. I'm planning
a swap-out of the NV4500HD in my 1998 2500 4x4 Quadcab for a 2000 1/2 NV5600 6-speed transmission. I don't
know if you driven a new Dodge with the 6-speed, but let me tell you, it's sweet.

The 1999 1/2 and 2000 0/2 NV5600 6-speed has a 1 1/4" input spline shaft. Starting in January or so, the revised
NV5600 gets a 1 3/8" input spline shaft and a heavier clutch with a 1 3/8" bore.

The new transmission is 5 1/2" longer, so the rear drive shaft must be shortened by 5 1/2" and the front drive
shaft lengthened by the same. While I could by 2000 vintage drive shafts as spare part, it's much cheaper to have a local
drive line shop make the changes and rebalance the existing drive shafts. A new 5 1/2" longer shift linkage rod from the
high/low/4WD range shift lever to the NV241HD transfer case is needed as is a different rear transmission mounting
bracket. Otherwise, that's it for parts.

The 6-speed is installed in my 1998 12-valve 2500 Quad-cab 4x4 and fits like a glove! I used a 2001 NV-5600
instead of a 1999 or 2000 version.

Chrysler and New Venture Gear beefed up the NV-5600 and the clutch for 2001 to better support up-rating the
engine. Research at the Chrysler Proving Ground and using test trucks with up rated engines revealed that the
transmission's input spline shaft sheared off (metal fatigue) after about 150,000 miles of towing their 20,000 lb.test trailer
all around the western USA. So for 2001, the NV-5600 has a 1 3/8" input spline shaft instead the 1 1/4" shaft used in
prior years. I had to replace my fly-wheel and clutch to accommodate the larger spline shaft. The new fly-wheel has an
improved, larger pilot bearing, too. The clutch is 330 mm in diameter instead of the 300 mm version found in the 2000
and prior years. The new clutch can handle much more torque and is quite a bit bigger, using double the number of bolts
to hold it to the fly-wheel.

J. P. Callan Portland, Ore.

 

 
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